There's also ASUS' Super Hybrid Engine, which can be used to boost battery life to up to 5hrs, and optional HSDPA cellular connectivity. Standard wireless includes WiFi draft-n and Bluetooth. Other options are a TV tuner and GPS receiver.

So far we're unclear on how much the Eee PC T91 will cost in the US. UK pricing for the convertible netbook is around £449 ($684) but the company has not yet commented.